package com.hfi.command.demo02.model;

/**
 * @author ChangLiang
 * @date 2020/4/14
 */
public class Tv implements LifeCycle{
    @Override
    public void on() {
        System.out.println("tv on");
    }

    @Override
    public void off() {
        System.out.println("tv off");
    }
}
